3996648 has 32 divisors (see below), whose sum is σ = 11102400. Its totient is φ = 1332144.

The previous prime is 3996647. The next prime is 3996653. The reversal of 3996648 is 8466993.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3996647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9036 + ... + 9467.

It is an arithmetic number, because the mean of its divisors is an integer number (346950).

Almost surely, 2^3996648 is an apocalyptic number.

It is an amenable number.

3996648 is an abundant number, since it is smaller than the sum of its proper divisors (7105752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3996648 is a wasteful number, since it uses less digits than its factorization.

3996648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18518 (or 18508 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 3996648 is about 1999.1618243654. The cubic root of 3996648 is about 158.6957514023.

The spelling of 3996648 in words is "three million, nine hundred ninety-six thousand, six hundred forty-eight".